Home / 1,159,743,324.16-1,600,446,024.30-638,222,556.16

Finding the Fourth Proportional to 1,159,743,324.16, 1,600,446,024.30 and 638,222,556.16

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Solution

The fourth proportional to 1,159,743,324.16, 1,600,446,024.30 and 638,222,556.16 is: 880,747,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,743,324.16 : 1,600,446,024.30 = 638,222,556.16 : x
  2. Step 2: Convert to fraction form
    1,159,743,324.16/1,600,446,024.30 = 638,222,556.16/x
  3. Step 3: Cross multiply
    1,159,743,324.16x = 1,600,446,024.30 × 638,222,556.16
  4. Step 4: Simplify right side
    1,159,743,324.16x = 1,021,440,752,624,855,424
  5. Step 5: Solve for x
    x = 1,021,440,752,624,855,424/1,159,743,324.16
  6. Step 6: Final answer
    x = 880,747,257.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.